w3css 在线编辑器 | w3css代码测试

<!DOCTYPE html>
<html>
<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://www.cainiaomax.com/w3css/4/w3.css">
<style>.mySlides {display:none;}
</style>
<body>

<div class="w3-container">
  <h2>幻灯片字幕</h2>
  <p>使用 w3-display-* 类（topleft、topmiddle、topright、bottomleft、bottommiddle、bottomright 或 middle）为每张图像幻灯片添加标题文本。</p>
</div>

<div class="w3-display-container mySlides">
  <img src="img_snowtops.jpg" style="width:100%">
  <div class="w3-display-bottomleft w3-large w3-container w3-padding-16 w3-black">
    French Alps
  </div>
</div>

<div class="w3-display-container mySlides">
  <img src="img_lights.jpg" style="width:100%">
  <div class="w3-display-bottomright w3-large w3-container w3-padding-16 w3-black">
    Northern Lights
  </div>
</div>

<div class="w3-display-container mySlides">
  <img src="img_mountains.jpg" style="width:100%">
  <div class="w3-display-topleft w3-large w3-container w3-padding-16 w3-black">
    Beautiful Mountains
  </div>
</div>

<div class="w3-display-container mySlides">
  <img src="img_forest.jpg" style="width:100%">
  <div class="w3-display-topright w3-large w3-container w3-padding-16 w3-black">
    The Rain Forest
  </div>
</div>

<div class="w3-display-container mySlides">
  <img src="img_mountains.jpg" style="width:100%">
  <div class="w3-display-middle w3-large w3-container w3-padding-16 w3-black">
    Mountains!
  </div>
</div>

</div>

function plusDivs(n) {
  showDivs(slideIndex += n);
}

</body>
</html>

报个问题: